"thunder word" meaning in English

{
  "forms": [
    {
      "form": "thunder words",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thunder word (plural thunder words)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Literature",
          "orig": "en:Literature",
          "parents": [
            "Culture",
            "Entertainment",
            "Writing",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the ten 100-letter words occurring in James Joyce's experimental 1939 novel Finnegans Wake, the first of which is constructed of words for thunder in various different languages."
      ],
      "id": "en-thunder_word-en-noun-vIypLTrv",
      "links": [
        [
          "literature",
          "literature"
        ]
      ],
      "raw_glosses": [
        "(literature) Any of the ten 100-letter words occurring in James Joyce's experimental 1939 novel Finnegans Wake, the first of which is constructed of words for thunder in various different languages."
      ],
      "synonyms": [
        {
          "word": "thunder"
        },
        {
          "word": "thunderclap"
        },
        {
          "word": "thunderword"
        }
      ],
      "topics": [
        "literature",
        "media",
        "publishing"
      ]
    }
  ],
  "word": "thunder word"
}

{
  "forms": [
    {
      "form": "thunder words",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thunder word (plural thunder words)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Literature"
      ],
      "glosses": [
        "Any of the ten 100-letter words occurring in James Joyce's experimental 1939 novel Finnegans Wake, the first of which is constructed of words for thunder in various different languages."
      ],
      "links": [
        [
          "literature",
          "literature"
        ]
      ],
      "raw_glosses": [
        "(literature) Any of the ten 100-letter words occurring in James Joyce's experimental 1939 novel Finnegans Wake, the first of which is constructed of words for thunder in various different languages."
      ],
      "synonyms": [
        {
          "word": "thunder"
        },
        {
          "word": "thunderclap"
        }
      ],
      "topics": [
        "literature",
        "media",
        "publishing"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "thunderword"
    }
  ],
  "word": "thunder word"
}